Course Outline
Map Projections and Directional Surveys
- Map Projections
- Map projections - What are they? Why do we need them?
- Geometry of the earth.
- Classes of map projections.
- Commonly used map projections in oil exploration.
- Transverse Mercator
- Lambert Conformal Conic
- Universal Transverse Mercator
- State Plane Coordinates
- Conversion between coordinate systems
- Proper documentation of projections used.
- Directional Surveys
- When do we need to consider a well deviated?
- How is a directional survey calculated.
- Grid North vs. True North.
- Convergence angle.
- Tie-in points.
- Computational methods.
- Standards and non-standards.
- Well spotting problems.
- Crossing projection boundaries.
© 1999 John Sharry
e-mail: jsharry@ix.netcom.com
2/10/99